Event time:

Thursday, April 26, 2007 - 12:30pm to Wednesday, April 25, 2007 - 8:00pm

Location:

431 DL

Speaker:

Stephan Tillman

Speaker affiliation:

Melbourne

Event description:

I will describe an algorithm to compute the unit ball of the

Thurston norm using normal surface theory. Applications include an

algorithm to decide whether a 3-manifold fibres over the circle. This is

joint work with Daryl Cooper.